Kategori:Vetenskapliga organisationer grundade 1919
Sidor i kategorin "Vetenskapliga organisationer grundade 1919"
I
- Institut für Sexualwissenschaft
- International Association for the Physical Sciences of the Oceans
- International Union of Biological Sciences
- International Union of Geodesy and Geophysics
- International Union of Pure and Applied Chemistry
- International Union of Radio Science
- Internationella astronomiska unionen